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23123410412 = 2228320427041
BaseRepresentation
bin10101100010010000…
…110011110111101100
32012200111202221211212
4111202100303313230
5334324043113122
614342302533552
71446006513464
oct254220636754
965614687755
1023123410412
119896620543
124593b972b8
13224680b48b
141195054ba4
1590508ace2
hex562433dec

23123410412 has 12 divisors (see below), whose sum is σ = 40608959496. Its totient is φ = 11520850560.

The previous prime is 23123410397. The next prime is 23123410417. The reversal of 23123410412 is 21401432132.

It is not an unprimeable number, because it can be changed into a prime (23123410417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10212389 + ... + 10214652.

It is an arithmetic number, because the mean of its divisors is an integer number (3384079958).

Almost surely, 223123410412 is an apocalyptic number.

It is an amenable number.

23123410412 is a deficient number, since it is larger than the sum of its proper divisors (17485549084).

23123410412 is a wasteful number, since it uses less digits than its factorization.

23123410412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20427328 (or 20427326 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23123410412 its reverse (21401432132), we get a palindrome (44524842544).

The spelling of 23123410412 in words is "twenty-three billion, one hundred twenty-three million, four hundred ten thousand, four hundred twelve".

Divisors: 1 2 4 283 566 1132 20427041 40854082 81708164 5780852603 11561705206 23123410412